Vitamin B- Complex can I take a full pill?

Im 15, weigh about 150, height 5,6. I was wondering if i can take full pill of vitamin B- Complex. B- Complex has ( Vitamin C 300 mg, Thiamin 18 mg, Riboflavin 10 mg, Niacin 50 mg, Vitamin B-6 5 mg, Folic acid 400mcg, Vitamin B-12 10 mcg, Biotin 50 mcg, Panthothenic acid 10 mg)
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